L4Re - L4 Runtime Environment
observer
1 // vi:set ft=cpp: -*- Mode: C++ -*-
2 /*
3  * (c) 2010 Alexander Warg <warg@os.inf.tu-dresden.de>
4  * economic rights: Technische Universität Dresden (Germany)
5  *
6  * This file is part of TUD:OS and distributed under the terms of the
7  * GNU General Public License 2.
8  * Please see the COPYING-GPL-2 file for details.
9  */
10 #pragma once
11 
12 #include <l4/cxx/hlist>
13 
14 namespace cxx {
15 
16 class Observer : public H_list_item
17 {
18 public:
19  virtual void notify() = 0;
20 };
21 
22 class Notifier : public H_list<Observer>
23 {
24 public:
25  void notify()
26  {
27  for (Iterator i = begin(); i != end(); ++i)
28  i->notify();
29  }
30 };
31 
32 }
33 
34 
Our C++ library.
Definition: arith:22
H_list_item_t< void > H_list_item
Untyped list item.
Definition: hlist:72